Firearm receiver



FIG. 1 is a first perspective view of a firearm receiver in accordance with an embodiment of the present invention;

FIG. 2 is a second perspective view of the firearm receiver shown in FIG. 1;

FIG. 3 is a rear view of the firearm receiver shown in FIG. 1;

FIG. 4 is a front view of the firearm receiver shown in FIG. 1;

FIG. 5 is a right side view of the firearm receiver shown in FIG. 1;

FIG. 6 is a left side view of the firearm receiver shown in FIG. 1;

FIG. 7 is a top view of the firearm receiver shown in FIG. 1; and,

FIG. 8 is a bottom view of the firearm receiver shown in FIG. 1.

The broken lines in FIGS. 1-8 form no part of the claimed design. 

CLAIM The ornamental design for a firearm receiver, as shown and described. 